Question: For a free vortex, determine an expression for the pressure gradient normal to a streamline. Assume that the streamline is in a horizontal plane and

For a free vortex, determine an expression for the pressure gradient

For a free vortex, determine an expression for the pressure gradient normal to a streamline. Assume that the streamline is in a horizontal plane and express your answer in terms of the circulation. Use the fact that the Bernoulli equation can be used between any two points for irrotational flow

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